DeleteService

// ADVAPI32.dll
#include <windows.h>

BOOL DeleteService(
    SC_HANDLE hService
);

<DllImport("ADVAPI32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function DeleteService(
    hService As IntPtr   ' SC_HANDLE
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hService : SC_HANDLE
Declare PtrSafe Function DeleteService Lib "advapi32" ( _
    ByVal hService As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DeleteService = ctypes.windll.advapi32.DeleteService
DeleteService.restype = wintypes.BOOL
DeleteService.argtypes = [
    wintypes.HANDLE,  # hService : SC_HANDLE
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
DeleteService = Fiddle::Function.new(
  lib['DeleteService'],
  [
    Fiddle::TYPE_VOIDP,  # hService : SC_HANDLE
  ],
  Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn DeleteService(
        hService: *mut core::ffi::c_void  // SC_HANDLE
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", SetLastError = true)]
public static extern bool DeleteService(IntPtr hService);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_DeleteService' -Namespace Win32 -PassThru
# $api::DeleteService(hService)

#uselib "ADVAPI32.dll"
#func global DeleteService "DeleteService" sptr
; DeleteService hService   ; 戻り値は stat
; hService : SC_HANDLE -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "ADVAPI32.dll"
#cfunc global DeleteService "DeleteService" sptr
; res = DeleteService(hService)
; hService : SC_HANDLE -> "sptr"

; BOOL DeleteService(SC_HANDLE hService)
#uselib "ADVAPI32.dll"
#cfunc global DeleteService "DeleteService" intptr
; res = DeleteService(hService)
; hService : SC_HANDLE -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procDeleteService = advapi32.NewProc("DeleteService")
)

// hService (SC_HANDLE)
r1, _, err := procDeleteService.Call(
	uintptr(hService),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DeleteService(
  hService: THandle   // SC_HANDLE
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'DeleteService';

result := DllCall("ADVAPI32\DeleteService"
    , "Ptr", hService   ; SC_HANDLE
    , "Int")   ; return: BOOL

●DeleteService(hService) = DLL("ADVAPI32.dll", "bool DeleteService(void*)")
# 呼び出し: DeleteService(hService)
# hService : SC_HANDLE -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "advapi32" fn DeleteService(
    hService: ?*anyopaque // SC_HANDLE
) callconv(std.os.windows.WINAPI) i32;

proc DeleteService(
    hService: pointer  # SC_HANDLE
): int32 {.importc: "DeleteService", stdcall, dynlib: "ADVAPI32.dll".}

pragma(lib, "advapi32");
extern(Windows)
int DeleteService(
    void* hService   // SC_HANDLE
);

ccall((:DeleteService, "ADVAPI32.dll"), stdcall, Int32,
      (Ptr{Cvoid},),
      hService)
# hService : SC_HANDLE -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t DeleteService(
    void* hService);
]]
local advapi32 = ffi.load("advapi32")
-- advapi32.DeleteService(hService)
-- hService : SC_HANDLE
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('ADVAPI32.dll');
const DeleteService = lib.func('__stdcall', 'DeleteService', 'int32_t', ['void *']);
// DeleteService(hService)
// hService : SC_HANDLE -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("ADVAPI32.dll", {
  DeleteService: { parameters: ["pointer"], result: "i32" },
});
// lib.symbols.DeleteService(hService)
// hService : SC_HANDLE -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t DeleteService(
    void* hService);
C, "ADVAPI32.dll");
// $ffi->DeleteService(hService);
// hService : SC_HANDLE
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Advapi32 extends StdCallLibrary {
    Advapi32 INSTANCE = Native.load("advapi32", Advapi32.class);
    boolean DeleteService(
        Pointer hService   // SC_HANDLE
    );
}

@[Link("advapi32")]
lib LibADVAPI32
  fun DeleteService = DeleteService(
    hService : Void*   # SC_HANDLE
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef DeleteServiceNative = Int32 Function(Pointer<Void>);
typedef DeleteServiceDart = int Function(Pointer<Void>);
final DeleteService = DynamicLibrary.open('ADVAPI32.dll')
    .lookupFunction<DeleteServiceNative, DeleteServiceDart>('DeleteService');
// hService : SC_HANDLE -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DeleteService(
  hService: THandle   // SC_HANDLE
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'DeleteService';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "DeleteService"
  c_DeleteService :: Ptr () -> IO CInt
-- hService : SC_HANDLE -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let deleteservice =
  foreign "DeleteService"
    ((ptr void) @-> returning int32_t)
(* hService : SC_HANDLE -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library advapi32 (t "ADVAPI32.dll"))
(cffi:use-foreign-library advapi32)

(cffi:defcfun ("DeleteService" delete-service :convention :stdcall) :int32
  (h-service :pointer))   ; SC_HANDLE
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DeleteService = Win32::API::More->new('ADVAPI32',
    'BOOL DeleteService(HANDLE hService)');
# my $ret = $DeleteService->Call($hService);
# hService : SC_HANDLE -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。